445274240442 has 16 divisors (see below), whose sum is σ = 911258911200. Its totient is φ = 144973008432.

The previous prime is 445274240413. The next prime is 445274240461. The reversal of 445274240442 is 244042472544.

It is a junction number, because it is equal to n+sod(n) for n = 445274240394 and 445274240403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862934317 + ... + 862934832.

It is an arithmetic number, because the mean of its divisors is an integer number (56953681950).

Almost surely, 2^445274240442 is an apocalyptic number.

445274240442 is an abundant number, since it is smaller than the sum of its proper divisors (465984670758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445274240442 is a wasteful number, since it uses less digits than its factorization.

445274240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725869197.

The product of its (nonzero) digits is 1146880, while the sum is 42.

The spelling of 445274240442 in words is "four hundred forty-five billion, two hundred seventy-four million, two hundred forty thousand, four hundred forty-two".